This rectangular metallic expansion joint is fabricated with 321 stainless steel bellows and Cor-ten flanges. The inside of this unit is lined with both vibra cast and abrasion resistance refractory. The dimensions are 65" x 81" x 41-1/2" overall length and the assembly weighs 3,900 lb. All welds are 100% dye penetrant examined and the design conditions are 1400°F with 5 PSIG.